/**
 * Recursively transforms arrays into objects using a safe, prefixed key.
 * This creates a rigid, unambiguous structure ideal for schema generation.
 * e.g., ["a", "b"] -> { "__sb_idx__0": "a", "__sb_idx__1": "b" }
 */
export declare function transformArraysToObjects(data: unknown): unknown;
/**
 * Recursively transforms objects with prefixed keys back into arrays.
 * This is the exact, safe inverse of transformArraysToObjects.
 */
export declare function transformObjectsToArrays(data: unknown): unknown;
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